摘要 |
The present system relates to a group resource allocation method for use in a wireless communication system, and methods and apparatus for allocating HARQ feedback allocation (HFA) channel in group resource allocation are disclosed. One embodiment of the present invention comprises the steps of receiving a group resource allocation A-MAP information element (GRA A-MAP IE) that includes an HFA offset field for indicating the start of an HFA channel used for terminals that are scheduled and deleted from a base station, a number field for denoting the number of deleted terminals NDA and a user bitmap field for indicating a scheduled terminal, and transmitting and receiving an acknowledgement message through the HARQ feedback channel that is acquired by using the HFA offset field, the number field and the user bitmap field.
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